Medial surface
Facies medialis
Definition
The medial surface of the cerebral hemisphere faces the longitudinal fissure and is separated from the opposite hemisphere by this fissure, except at the levels of the corpus callosum, the rostral commissure, and the lamina terminalis.
References
Evans HE, de Lahunta A. Miller’s anatomy of the dog, 4th edition, Elsevier Saunders, St Louis, 2012.